Is Nasturtium Safe for Cats?
Quick answer
ASPCA lists Tropaeolum majus as non-toxic to cats and reports no records of toxic ingestion. NC State Extension's profile also tags the species as a potential problem for cats without explaining the basis, so confirm the plant identity and discourage chewing.

Is Nasturtium safe for cats?
Safe
ASPCA lists Tropaeolum majus as non-toxic to cats and reports no records of toxic ingestion. NC State Extension's profile also tags the species as a potential problem for cats without explaining the basis, so confirm the plant identity and discourage chewing.
Sources
- ASPCA Animal Poison Control — Nasturtium - Exact-species non-toxic classification and clinical-sign record
- North Carolina Extension Gardener Plant Toolbox — Tropaeolum majus - Notes the conflicting general problem-for-cats tag
Disclaimer: This page is for general information only and is not veterinary advice. If your cats ate Nasturtium, contact your veterinarian or animal poison control immediately.